Predator Engines 346cc Owner's Manual & Safety Instructions
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Predator Engines 346cc Owner's Manual & Safety Instructions

346cc horizontal engine
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  • Page 2: Table Of Contents

    Troubleshooting ......... 16 Setup ............6 Warranties ..........18 Operation ............ 8 Parts Lists and Diagrams ......20 Specifications Displacement 346cc Horizontal Single Cylinder 4 stroke OHV Engine Type EPA phase III and CARB compliant Cooling System Forced air cooled Type...

  • Page 3: Safety

    WARNING SYMBOLS AND DEFINITIONS This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

  • Page 4: Operating Precautions

    Caution is necessary when near the engine’s magneto or recoil starter. 14. Use only accessories that are recommended by Harbor Freight Tools for your model. Accessories that may be suitable for one piece of equipment may become hazardous Only use OUTSIDE and far away from windows, when used on another piece of equipment.
  • Page 5 These carry important information. 4. Refuel in a well-ventilated area only. If unreadable or missing, contact Harbor Freight Tools for a replacement. 5. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.

  • Page 6: Setup

    Set Up Read the ENTIRE IMpORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. TO pREVENT SERIOUS INJURY: Operate only with proper spark arrestor installed. Operation of this equipment may create sparks that can start fires around dry vegetation.
  • Page 7 High Altitude Operation Above 3000 feet At high altitudes, the engine’s carburetor, governor (if so equipped), and any other parts that control the fuel-air ratio will need to be adjusted by a qualified mechanic to allow efficient high-altitude use and to prevent damage to the engine and any other devices used with this product. The fuel system on this engine may be influenced by operation at higher altitudes.

  • Page 8: Operation

    Operation Read the ENTIRE IMpORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. pre-Start Checks Inspect engine and equipment looking for damaged, loose, and missing parts before set up and starting.

  • Page 9: Starting The Engine

    Checking and Filling Fuel Note: Do not use gasoline containing more than WARNING! TO pREVENT SERIOUS 10% ethanol (E10). Do not use E85 ethanol. INJURY FROM FIRE: Fill the fuel tank in a well-ventilated area Note: Do not use gasoline that has been stored in a away from ignition sources.

  • Page 10: Manual Start

    Manual Start 1. To start a cold engine, move the Choke to the START position. To restart a warm engine, leave the Choke in the RUN position. START 2. Open the Fuel Valve. 3. Slide the Throttle or Speed Control Lever to 1/3 away from the SLOW position (the “turtle”).

  • Page 11: Stopping The Engine

    6. Allow the Engine to run for several seconds. Then, if the Choke lever is in the START position, move the Choke Lever very slowly to its RUN position. Note: Moving the Choke Lever too fast could stall the engine. START IMpORTANT: Allow the engine to run at no load for five minutes with no load after each start-up so that the engine can stabilize.

  • Page 12: Maintenance

    Maintenance WARNING TO pREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING: Turn the power Switch of the equipment to its “OFF” position, wait for the engine to cool, and disconnect the spark plug cap before performing any inspection, maintenance, or cleaning procedures. TO pREVENT SERIOUS INJURY FROM EQUIpMENT FAILURE: Do not use damaged equipment.
  • Page 13 Checking and Filling Fuel Engine Oil Change WARNING! TO pREVENT SERIOUS CAUTION! Oil is very hot during operation and can INJURY FROM FIRE: cause burns. Wait for engine to cool before changing oil. Fill the fuel tank in a well-ventilated area 1.
  • Page 14 Air Filter Element Maintenance Spark plug Maintenance 1. Remove the air filter cover and the air filter elements and check for dirt. Spark Clean or replace as described below. plug 2. Cleaning: • For “paper” filter elements: To prevent injury from dust and debris, wear ANSI-approved safety goggles, NIOSH-approved dust mask/respirator, and heavy-duty work gloves.
  • Page 15 Storage When the equipment is to remain idle for longer than c. Remove the small sediment cup next to the bowl 20 days, prepare the engine for storage as follows: and allow the fuel to drain from there as well. 1.

  • Page 16: Troubleshooting

    Troubleshooting problem possible Causes probable Solutions Engine will not start FUEL RELATED: FUEL RELATED: 1. No fuel in tank or fuel valve closed. 1. Fill fuel tank and open fuel valve. 2. Choke not in START position, 2. Move Choke to START position. cold engine.

  • Page 17: Probable Solutions

    problem possible Causes probable Solutions Engine misfires 1. Spark plug cap loose. 1. Check wire connections. 2. Incorrect spark plug gap or 2. Re-gap or replace spark plug. damaged spark plug. 3. Defective spark plug cap. 3. Replace spark plug cap. 4.

  • Page 18: Warranties

    Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.

  • Page 19: Emission Control System Warranty

    30 days. Intake manifold. iii) Air filter. If you have any questions regarding your warranty rights and responsibilities, you should contact the Harbor Freight Ignition System Tools Customer Service Department at 1-800-520-0882. Spark Plugs. Magneto or electronic ignition system.

  • Page 20: Parts Lists And Diagrams

    parts Lists and Diagrams parts List part Description part Description Gasket, Cylinder Head Guide, Seal Cover Subassembly, Cylinder Head Lifter Subassembly, Valve Gasket, Cylinder Head Cover Tappet, Valve Tube, Breather Plate Subassembly, Lifter Stopper Bolt, Cylinder Head Bolt, Rocker Shaft Washer Set Rocker, Valve Stud...
  • Page 21 Item 69735 For technical questions, please call 1-800-1-800-444-3353. Page 21...
  • Page 22 pLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT.
  • Page 23 power Take-Off Diagram Note: Not to scale. Ø3.625 in. / 92mm (30°) (30°) 3.48 in. / 88.5mm 0.25 in. / 6.35mm Ø6.5 in. / 165.1mm Ø1 in. / 25.4mm Ø5.75 in. / 146mm 1.1 in. / 28mm 2.2 in. / 56mm 2.84 in.
  • Page 24 3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 520-0882 www.harborfreight.com...

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